Abstract
A type of new environmentally friendly lube additive----boron-nitrogen containing modified soybean oil was synthesized and characterized by infrared spectrum. Its tribological properties in rapeseed oil were tested on the four balls tester. The morphographies and tribochemical species of the worn surfaces were analyzed by means of Scanning Electron Microscope (SEM) and X--ray Photoelectron Spectroscope (XPS). The results show that the type of modified soybean oil as additives can obviously increase the load-carrying capacity 、anti-wear and friction-reducing abilities of rapeseed oil. Its lubrication mechanism is inferred that a high strength adsorption film and/or tribochemistry reaction film on the worn surface of the Al alloy due the carrier effect of a long chain rapeseed oil, high reaction activities of nitrogen, electron-deficient of boron and their synergisms.
Published Version
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